BORBUREMA, J. B.; http://lattes.cnpq.br/8400056907116452; BORBUREMA, Jucileide Barboza.
Résumé:
The objective of this study was to evaluate the performance of lamb subjected to food
restriction followed by refeeding. A total of 40 Santa Inês sheep whole business,
averaging 17 ± 1.7 kg body weight (BW) and 100 days old. The study was conducted in
two experimental tests: a period of food restriction and refeeding period. The
experimental design was completely randomized design with four treatments and ten
repetitions. The dry matter intake (DMI) in kg / day, expressed in gMS/kg0, and 75% in
PV, as well as consumption of organic matter (IOM), consumption of mineral material
(CMM), crude protein (CP) , gross consumption of energy (CEB), ether extract
consumption (EEC), acid detergent fiber intake (CFDA), intake of neutral detergent
fiber (NDF) decreased linearly and quadratic effect for the variables: feed conversion
(FC) feed efficiency (AE), dry matter digestibility (DMD) and digestibility of ash
(MMD) and average daily weight gain (DWG) in relation to food restriction. In the
second trial, CMS, CMO, CEB, EEC, CFDA, INDF and CA showed a linearly
decreasing according to prior restraint and did not affect the following variables: CMS
gMS/PV0, 75, DMI% LW CMM, CPB, DMS, organic matter digestibility (OMD),
DMM, digestibility of crude protein (CPD), digestibility of gross energy (GED). A
quadratic effect according to the previous restriction to water consumption (GAC) and
EA, noting a decline to the point of inflection 31 and 13% respectively. Food restriction
caused a negative effect on ADG. However, during the refeeding these animals
recovered and showed gains similar to those fed ad libitum.
